Insoluble Anodes in the Electrolysis of Zinc Sulfate Containing Chlorine in Solution

The influence of alloying elements on the electrochemistry of lead anodes for electrowinning of metals: A review

“…Oxide that formed was flaky and not well adhered to anode surface. Pb-(3.5-5) Tl-(0.003-0.03) Te-(0.05-1.0) Ca (Bray and Morral, 1941) PbAgSnCo (Ivanov et al, 2000b) Showed the least corrosion in comparison to PbAg, PbAgBaAs, PbAgSr, PbAgAs, PbAgSn (in 1 M H 2 SO 4 at 400 A/m 2 ). Pb-(1) Ag-(0.05) Co-(0.04) Sb (Ivanov et al, 2000b) Both of these alloys produce an oxide that is twice as thick as that on PbAg anodes.…”

Properties and Uses of Thallium

“…For instance, the Pb-T1 alloys (20% or more) are relatively insoluble in many strong acids. This property suggests the use of Pb-T1 alloys as insoluble anodes in the electrowinning of metals (43). An alloy suitable for coating metal pipelines, well-castings, etc., has been patented recently.…”